I took the liberty of using Dmitry’s pattern and made a version without perforation.
Source Atle Mo
I love these crisp, tiny, super subtle patterns.
Source Badhon Ebrahim
A set of paper filters. The base texture is generated the same way, only the compositing mode is varied.
Source Lazur URH
"Beige Stone", Tileable Texture.
Source V. Hartikainen
Classy golf-pants pattern, or crossed stripes if you will.
Source Will Monson
This is so subtle you need to bring your magnifier!
Source Carlos Valdez
Background formed from the original with an emboss effect
Source GDJ
A green background pattern with warped vertical stripes and a grunge look.
Source V. Hartikainen
Black And White Floral Pattern Background from PDP.
Source GDJ
From a drawing in 'Art Embroidery', M.S. Lockwood and E. Glaister, 1878.
Source Firkin
It’s an egg, in the form of a pattern. This really is 2012.
Source Paul Phönixweiß
Remixed from a drawing in 'Hungary. A guide book. By several authors', 1890.
Source Firkin
Light gray grunge wall with a nice texture overlay.
Source Adam Anlauf
Bigger is better, right? So here you have some large carbon fiber.
Source Factorio.us Collective
Light square grid pattern, great for a “DIY projects” sort of website, maybe?
Source Rafael Almeida
Retro Circles Background 4 No Black
Source GDJ
Zerro CC tillable texture of stones photographed and made by me. CC0
Source Sojan Janso
The green fibers pattern will work very well in grayscale as well.
Source Matteo Di Capua
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Carbon fiber is never out of fashion, so here is one more style for you.
Source Alfred Lee
Nothing like a clean set of bed sheets, huh?
Source Badhon Ebrahim
This is a grid, only it’s noisy. You know. Reminds you of those printed grids you draw on.
Source Vectorpile